sherisotelo
sherisotelo sherisotelo
  • 04-01-2021
  • Mathematics
contestada

y+z=4 y-z=8
how to solve this problem​

Respuesta :

meowmeow223334
meowmeow223334 meowmeow223334
  • 04-01-2021

Use elimination

y + z = 4

y - z = 8

Subtract both

2z = -4, z = -2

Y - 2 = 4, y = 6

Solution: y = 6, z = -2

Answer Link

Otras preguntas

How many goals and destinations are determined by the General Assembly of the United Nations? ​
Find the x- and y-intercepts of the graph of – 10x + 3y = 10. State your answers as whole numbers or as improper fractions in simplest form. M
which is not a factor in a fossil organism being useful as an index fossil? a. it must be limited to a short span of geologic timeb. it must be widespread geogr
How many syllables in the word "rights"
ABCD is a rectangle enclosed in a circle with centre at O and radius of 7cm. AOC is a diameter of the circle. the area of the rectangle is 56 2 . find the heigh
Why do some researchers prefer to use embryonic stem cell in medical research? A. There is no controversy surrounding the use of embryonic stem calls B. The use
What is the base area of the cone?
Let ​f(x)=−5x+18 and ​g(x)=x2+15. Find ​f(−2​)−​g(−2​).
urgent !!!!!! plz image below
If a ants can dig b tunnels in c hours, how many tunnels can b ants dig in a hours?